Sign



FIG. 1 is a front elevational view of a sign, showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a cross sectional view thereof, taken along line 6--6 of FIG. 1. 

The ornamental design for a sign, as shown and described. 